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Automatic generating method and device for image special effect

An automatic generation and image technology, applied in the field of image processing, can solve problems such as the inability to automatically generate image special effects, and achieve the effect of saving manpower and improving generation efficiency.

Active Publication Date: 2007-11-14
VIMICRO ELECTRONICS CORP
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Problems solved by technology

[0005] The present invention provides a method and device for automatically generating image special effects to solve the problem that image special effects cannot be automatically generated in the prior art

Method used

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  • Automatic generating method and device for image special effect
  • Automatic generating method and device for image special effect
  • Automatic generating method and device for image special effect

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Embodiment Construction

[0054] In the present invention, by predetermining at least two feature points of the input image, setting the replacement image and the effective pixels of the replacement image, and marking the position of the feature points of the replacement image corresponding to the feature points of the input image, here Based on the actual application, the feature point location is performed on the input image, and the position of the feature point of the input image is determined; according to the feature point position of the input image and the feature point position of the replacement image, through affine transforming and determining the correspondence between the pixels of the replacement image and the pixels of the input image; according to the correspondence, using the color values ​​of the effective pixels of the replacement image to replace the color values ​​of the corresponding pixels on the input image, Thus, the replacement image is added to the input image to achieve imag...

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Abstract

The invention is in use for solving the issue existed in the current technique that special good effect of image is unable to be generated automatically. The method determines at least two feature points of the input image, sets up replacement image (RI), effective pixels, and plots position of feature points of RI corresponding to feature points of the input image in advance. The method includes steps: (1) positioning feature points of the input image; (2) based on positions of feature points of the input image, and positions of feature points of RI, the method determines coincidence relation between pixels of RI and pixels of the input image through affine transformation; (3) based on the coincidence relation, using chromatic value of effective pixel in RI replaces chromatic value of effective pixel in the input image. The invention also discloses device for automatic generating special good effect of image.

Description

technical field [0001] The invention relates to the technical field of image processing, in particular to a method and device for automatically generating image special effects. Background technique [0002] Today, with the highly developed multimedia technology, people can obtain images and videos through cameras, digital cameras, digital video cameras, etc. However, existing image acquisition devices only have an image acquisition function, and the simple image acquisition function cannot fully meet people's growing entertainment needs. [0003] The existing processing software can transform and process the collected images under human manual operation to obtain some interesting effects, such as exaggerating the faces on the images, or replacing the faces on the images with other people's face or animal face etc. However, these operations require a lot of manual operations and cannot be performed automatically in real time. In the case of processing a large number of im...

Claims

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Application Information

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IPC IPC(8): H04N1/387H04N5/262
Inventor 邓亚峰
Owner VIMICRO ELECTRONICS CORP
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